1300312012 has 24 divisors (see below), whose sum is σ = 2299096800. Its totient is φ = 643441536.

The previous prime is 1300312003. The next prime is 1300312103. The reversal of 1300312012 is 2102130031.

It is a super-2 number, since 2×1300312012² = 3381622657102976288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1300311983 and 1300312001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 678768 + ... + 680680.

It is an arithmetic number, because the mean of its divisors is an integer number (95795700).

Almost surely, 2^1300312012 is an apocalyptic number.

It is an amenable number.

1300312012 is a deficient number, since it is larger than the sum of its proper divisors (998784788).

1300312012 is a wasteful number, since it uses less digits than its factorization.

1300312012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3585 (or 3583 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1300312012 is about 36059.8393229920. The cubic root of 1300312012 is about 1091.4801908654.

Adding to 1300312012 its reverse (2102130031), we get a palindrome (3402442043).

The spelling of 1300312012 in words is "one billion, three hundred million, three hundred twelve thousand, twelve".